The fuller name, Okapi BM25, includes the name of the first system to use it, which was the Okapi information retrieval system, implemented at London's City University[1] in the 1980s and 1990s

[7] It was initially available for download from its home at the SourceForge web site

S-Class Information Retrieval The empirically validated retrieval progression is BM25 then learned-sparse then dense then hybrid fusion with re-ranking

NOTE: ACM DL title omits the trailing word Research; the project site and arXiv include it

1 200 OK Date: Thu, 02 Jul 2026 17:06:57 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"5c10b5686e0c159df9d5da5670da3dcd" Cache-Control: max-age=0, private, must-revalidate Strict

It is managed by the Social Security Administration and is designed to provide monthly benefits to people with a medically determinable disability (physical or mental) that restricts their ability to be employed

It also mentioned using cryptographic proof to verify and record transactions on a blockchain

It is often normalized so that it is comparable across queries, giving Normalized DCG (nDCG or NDCG)[2]

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Purpose: rank what an independent sovereign team should build next, and what it should refuse to build

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For example, if a company buys a new piece of equipment (increasing an asset), it can spend cash (reducing an asset) or take on a loan (increasing a liability)

The importance of a page is a function of its intrinsic quality, its popularity in terms of links or visits, and even of its URL (the latter is the case of vertical search engines restricted to a single top-level domain , or search engines restricted to a fixed Web site)

[1][2][3] In technical terms, they are a family of population-based trial and error problem solvers with a metaheuristic or stochastic optimization character

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it has a legal status in itself, whereas in some countries it is legally persuasive without being a legal document

It places legally binding obligations on sectors exposed to the risk of money laundering or the financing of terrorism to monitor their customers and transactions, and to report suspicious activities to governments

1 Unit quaternion 4 Algebraic properties 5 Quaternions and three-dimensional geometry 6 Matrix representations Toggle Matrix representations subsection 6

It only applied to wage earners, however, and their families and the unwaged had to rely on other sources of support, if any

2 Unified frameworks 10 ReSTIR 11 See also 12 References Toggle the table of contents Path tracing 12 languages Català Čeština Deutsch Español Suomi Français 한국어 Polski Русский Slovenčina Українська 中文 Edit links Article Talk English Read Edit View history Tools Tools move to sidebar

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server: ATS/9.2.13 x-content-type-options: nosniff content-language: en accept-ch: reporting-endpoints: csp-report-to-endpoint='/w/api.php?action=cspreport&format=json'; content-security-policy: script-src 'unsafe-eval' blob: 'self' meta.

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server: mw-web.codfw.main-5b9465ddc4-f457b x-content-type-options: nosniff content-language: en accept-ch: reporting-endpoints: csp-report-to-endpoint='/w/api.php?action=cspreport&format=json'; content-security-policy: script-src 'unsafe

[9][10] Later, in 1995, he implemented it through Digicash,[11] an early form of cryptographic electronic payments

It hosts a number of other projects: the NASA Images Archive, the contract crawling service Archive-It, and the wiki-editable library catalog and book information site Open Library

Русиньскый Ikinyarwanda संस्कृतम् Саха тыла Sardu Sicilianu Scots سنڌي Davvisámegiella Srpskohrvatski / српскохрватски Taclḥit Simple English Slovenčina Slovenščina Gagana Samoa Anarâškielâ ChiShona Soomaaliga Shqip Српски / srpski Sesotho